Home / 13,115,809,931.40-19,673,714,897.10-12,854,301,101.33

Finding the Fourth Proportional to 13,115,809,931.40, 19,673,714,897.10 and 12,854,301,101.33

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Solution

The fourth proportional to 13,115,809,931.40, 19,673,714,897.10 and 12,854,301,101.33 is: 19,281,451,651.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,809,931.40 : 19,673,714,897.10 = 12,854,301,101.33 : x
  2. Step 2: Convert to fraction form
    13,115,809,931.40/19,673,714,897.10 = 12,854,301,101.33/x
  3. Step 3: Cross multiply
    13,115,809,931.40x = 19,673,714,897.10 × 12,854,301,101.33
  4. Step 4: Simplify right side
    13,115,809,931.40x = 252,891,855,068,946,595,840
  5. Step 5: Solve for x
    x = 252,891,855,068,946,595,840/13,115,809,931.40
  6. Step 6: Final answer
    x = 19,281,451,651.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.